51464401454 has 8 divisors (see below), whose sum is σ = 77239903440. Its totient is φ = 25717766976.

The previous prime is 51464401447. The next prime is 51464401481. The reversal of 51464401454 is 45410446415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7212419 + ... + 7219550.

It is an arithmetic number, because the mean of its divisors is an integer number (9654987930).

Almost surely, 2^51464401454 is an apocalyptic number.

51464401454 is a deficient number, since it is larger than the sum of its proper divisors (25775501986).

51464401454 is a wasteful number, since it uses less digits than its factorization.

51464401454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14433754.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 51464401454 its reverse (45410446415), we get a palindrome (96874847869).

The spelling of 51464401454 in words is "fifty-one billion, four hundred sixty-four million, four hundred one thousand, four hundred fifty-four".